190052180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{131}}^1\times {\mathrm{251}}^1$

素因数の和:425

約数の個数: 72

約数和(自身を含む): 428906016

約数和(自身を除く): 238853836

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 131, 170, 251, 262, 289, 340, 502, 524, 578, 655, 1004, 1156, 1255, 1310, 1445, 2227, 2510, 2620, 2890, 4267, 4454, 5020, 5780, 8534, 8908, 11135, 17068, 21335, 22270, 32881, 37859, 42670, 44540, 65762, 72539, 75718, 85340, 131524, 145078, 151436, 164405, 189295, 290156, 328810, 362695, 378590, 558977, 657620, 725390, 757180, 1117954, 1450780, 2235908, 2794885, 5589770, 9502609, 11179540, 19005218, 38010436, 47513045, 95026090, 190052180]

約数ペア:

[(1, 190052180), (2, 95026090), (4, 47513045), (5, 38010436), (10, 19005218), (17, 11179540), (20, 9502609), (34, 5589770), (68, 2794885), (85, 2235908), (131, 1450780), (170, 1117954), (251, 757180), (262, 725390), (289, 657620), (340, 558977), (502, 378590), (524, 362695), (578, 328810), (655, 290156), (1004, 189295), (1156, 164405), (1255, 151436), (1310, 145078), (1445, 131524), (2227, 85340), (2510, 75718), (2620, 72539), (2890, 65762), (4267, 44540), (4454, 42670), (5020, 37859), (5780, 32881), (8534, 22270), (8908, 21335), (11135, 17068)]